System Design AI
Explore designs

Design preview

Design a Payment System like Stripe

Charge cards through the networks exactly once: idempotency keys, a card vault, timeouts as unknowns, signed webhooks, a double-entry ledger and reconciliation. One-hour boards for junior, senior and staff, with the theory behind them.

paymentsidempotencyledgerreconciliationpcikafkaawsinterview-board

Shared by System Design AIOfficial

Outline of the design layout

Explore the complete design

Open the diagram and design notes, discuss trade-offs with the community, or make a private copy to build with Coach.

Checking your sign-in…